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Wednesday, April 26, 2017

Antarctica is melting: scientists told about the coming of the thousand lakes of melt water

On Langhovde glacier in East Antarctica c 2 000 2013 there were nearly 8 thousand blue lakes of melt water that earlier this area are not met. British experts from the University of Durham who studied this phenomenon, expressed concern that the complete disappearance of the glacier – a matter of time.

photo: pixabay.com

Experts have studied more than half soten satellite imagery and analyzed with other data previously collected about 7 990 the blue lakes, after which he came to the conclusion that they were formed under the influence of warm air. It is not excluded that melt water in some of these lakes can seep under the glacier, greatly speeding its melting and making it irreversible.

Similar in fact, but also a larger phenomenon at the moment there is in Greenland, where, in particular, for this reason, from 2011 to 2014 melted over a trillion tons of ice. It cannot be excluded that in the future something like waiting for a glacier to Langhovde, say the researchers, who published their work in scientific Geophysical Research Letters.

In may of this year, the attention of specialists was attracted by another Antarctic glacier, under the name of Totten which, as it turned out, gradually destroyed warm salt water. The researchers expressed concern that melting of this glacier has the potential to lead to a rise in global sea level by more than two meters (although it is, in all probability, will take at least several centuries).

Although scientists from time to time report on the separate melting of glaciers on Antarctica, its ice is considered to be fairly well protected from melting due to climate change. One explanation for this was recently discovered in the so-called southern ocean at depths of over three kilometres of water that is not involved in the circulation and remains one of the most “pristine” of global warming in the world.


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